Extend the life of your mattress and indulge in the ultimate comfort with our superior microfiber ultra-fine mattress topper. Designed to breathe new life into your old mattress or protect your new investment, this topper is crafted with a baffle box construction to ensure even support and prevent filling from shifting. This 10cm/4 inch thick topper is well padded, soft, and the best quality anti-allergenic mattress protector available in 5 sizes.